CN107217739A - The frame structure and its installation method of a kind of superstructure vibration isolation - Google Patents
The frame structure and its installation method of a kind of superstructure vibration isolation Download PDFInfo
- Publication number
- CN107217739A CN107217739A CN201710167933.3A CN201710167933A CN107217739A CN 107217739 A CN107217739 A CN 107217739A CN 201710167933 A CN201710167933 A CN 201710167933A CN 107217739 A CN107217739 A CN 107217739A
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- Prior art keywords
- floor
- vibration isolation
- frame structure
- spring
- superstructure
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- 238000002955 isolation Methods 0.000 title claims abstract description 83
- 238000009434 installation Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 52
- 239000010959 steel Substances 0.000 claims abstract description 52
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000003292 glue Substances 0.000 claims abstract description 17
- 238000003780 insertion Methods 0.000 claims abstract description 7
- 230000037431 insertion Effects 0.000 claims abstract description 7
- 238000003466 welding Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 4
- 239000013536 elastomeric material Substances 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 14
- 239000000203 mixture Substances 0.000 abstract description 2
- 230000003534 oscillatory effect Effects 0.000 abstract 1
- 238000011176 pooling Methods 0.000 abstract 1
- 238000013016 damping Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- 239000003190 viscoelastic substance Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/19—Three-dimensional framework structures
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/19—Three-dimensional framework structures
- E04B1/1903—Connecting nodes specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Floor Finish (AREA)
Abstract
The present invention relates to a kind of frame structure of superstructure vibration isolation and its installation method, including the post and beam being fixedly connected, and floor, vibration isolation component and shear key are provided between beam and floor, gap-filling glue is provided between floor and post, vibration isolation component is by built-in fitting, spring pedestal, bolt and spring composition, built-in fitting is embedded into floor, and be attached with upper spring pedestal, lower spring base is attached with beam, shear key is the T-shaped weldment of two blocks of steel plates, level board is embedded into floor, in the slotted eye that vertical plate insertion beam top flange is opened up in advance, the vibration isolation component of the present invention can bear the vertical load of floor, there is pooling feature to the oscillatory load on floor again, so as to play vibration isolation effect, the horizontal shear of floor is then passed to Vierendeel girder by shear key.
Description
Technical field
The invention belongs to building structure technology field, it is related to a kind of frame structure, is to be related to a kind of superstructure more specifically
The frame structure and its installation method of vibration isolation.
Background technology
Development, the improvement of people's living standards with social economy, under construction the activity of personnel, the vibration of machine or
Tap etc. more and more frequently, and in contrast, requirement of the people to comfort levels such as noises but more and more higher, such as, and GB/
50118-2010《Code for sound insulation design of civil buildings》、GB/T50087-2013《Code for design of noise cintrol in industrial enterprises》Deng,
Their vibration isolation to building, sound insulation propose strict requirements.
At present, more than civil buildings using thicken floor come meet specification vibration isolation insulate against sound require, but thicken floor one be every
Effect of shaking is limited, and two be that this method for increasing building cost cost certainly will cannot get the favor of developer, therefore, actual
Civil buildings vibration of floor noise still drastically influence the life and work of people.
Currently, isolation mounting is placed directly on floor by the vibration isolation measure commonly used in industrial premises more, though this can also be fitted
Locality reduces noise and vibration, but easily causes floor forced vibration, and adjacent room is produced serious influence with surrounding environment.
The content of the invention
The technical problem to be solved in the present invention overcomes existing defect, and there is provided a kind of frame structure and its peace of superstructure vibration isolation
Dress method, can effectively solve the problem that floor shakes noise problem, the problem of effectively can solving in background technology.
In order to solve the above-mentioned technical problem, the invention provides following technical scheme：
A kind of frame structure of superstructure vibration isolation, including the post and beam being fixedly connected, and floor, between the beam and floor
Vibration isolation component and shear key are provided with, gap-filling glue is provided between floor and post, the vibration isolation component is by built-in fitting, spring bottom
Seat, bolt and spring composition, the built-in fitting is embedded into floor, and is attached with upper spring pedestal, lower spring base
It is attached with beam, the shear key is the T-shaped weldment of two blocks of steel plates, level board is embedded into floor, vertical plate insertion beam
In the slotted eye that top flange is opened up in advance.
Furthermore, described built-in fitting is formed by four steel tightening latch vertical weldings in one block of steel plate, and steel plate end is pre-
It is embedded in floor, four steel tightening latches pass through the bolt hole in upper spring pedestal to be connected by nut with spring pedestal.
Furthermore, described spring pedestal is formed by hollow round steel pipe with steel plate vertical welding, is offered on steel plate
Bolt hole.
Furthermore, described post, the material of beam are steel, and its center pillar is steel pipe or H profile steel, and the section of beam is I-shaped
Shaped steel.
Furthermore, described floor is reinforced concrete prefabricated board.
Furthermore, described gap-filling glue is viscoelastic material.
The present invention also provides a kind of installation method of the frame structure of superstructure vibration isolation, comprises the following steps：
S1, make structural elements：Beam top flange has opened up bolt hole and oval elongated hole；Built-in fitting is embedded into floor
In；Shear key is embedded into floor, is that next step installation frame is ready；
S2, assembling frame structure：Liang Yuzhu is fixedly connected, and on the pad of beam upper surface between upper and lower spring pedestal
Apart from contour temporary cushion block, structural elements is assembled；
S3, lifting floor：Shear key is inserted in oval elongated hole, and floor is shelved on temporary cushion block, temporary cushion block
For supporting floor；
S4, installation vibration isolation component：Upper spring pedestal is inserted in the tightening latch of built-in fitting and tighten nut；Spring is inserted
The hollow round steel pipe of spring pedestal；The hollow round steel pipe of lower spring base is inserted into spring, bolt is each passed through beam top flange
Bolt hole and lower spring base on bolt hole, and tighten nut, spring has cushioning effect, and vibration isolation component can be by floor
Vertical load effectively pass to beam, reduce the forced vibration of floor, play the vibration isolating effect between levels；
S5, temporary cushion block is removed, prevent temporary cushion block slides from causing structure unstable.；
S6, installation gap-filling glue, gap-filling glue have damping property, it is possible to reduce shadow of the floor to adjacent room and surrounding environment
Ring.
Beneficial effects of the present invention：The frame structure and its installation method of a kind of superstructure vibration isolation, with levels vibration isolation, phase
Vibration isolation between next door, it is easy to industrialized advantage, it is specific as follows：
1st, levels vibration isolation.Perpendicular that floor is connected with beam upwardly through vibration isolation component, vibration isolation component can be by floor
Vertical load effectively passes to beam, and spring element therein makes the supporting of floor be changed into sinking support, so as to reduce building
The forced vibration of plate, plays the vibration isolating effect between levels.
2nd, adjacent room vibration isolation.In horizontal direction, the horizontal shear of floor is passed to by beam by shear key, and floor with
Post is connected by the gap-filling glue with damping property, is reduced influence of the floor to adjacent room and surrounding environment, is played adjacent
The vibration isolating effect in room.
3rd, it is easy to industrialization.The present invention all components all for factory make, in-site installation, and key element such as every
Shake component, shear key, gap-filling glue etc. is easily changed, and will greatly promote building industrialization.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and constitutes a part for specification, the reality with the present invention
Applying example is used to explain the present invention together, is not construed as limiting the invention.
Fig. 1 is the circuit theory schematic diagram of the superstructure vibration isolation of the present invention；
Fig. 2 is the top flange top view of the frame structural beam of the superstructure vibration isolation of the present invention；
Fig. 3 is the elevation of the frame structure vibration isolation component 4 of the superstructure vibration isolation of the present invention；
Fig. 4 for the present invention superstructure vibration isolation frame structure vibration isolation component 4 in built-in fitting 41 elevation；
Fig. 5 for the present invention superstructure vibration isolation frame structure vibration isolation component 4 in built-in fitting 41 upward view；
Fig. 6 for the present invention superstructure vibration isolation frame structure vibration isolation component 4 in bolt 42 elevation；
Fig. 7 for the present invention superstructure vibration isolation frame structure vibration isolation component 4 in spring pedestal 43 elevation；
Fig. 8 for the present invention superstructure vibration isolation frame structure vibration isolation component 4 in spring pedestal 43 top view；
Fig. 9 for the present invention superstructure vibration isolation frame structure vibration isolation component 4 in spring 44 elevation；
Figure 10 is the elevation of the frame structure shear key 5 of the superstructure vibration isolation of the present invention；
Figure 11 is the upward view of the frame structure shear key 5 of the superstructure vibration isolation of the present invention；
Figure 12 is the top flange structural representation of the frame structure installation steps 1 of the superstructure vibration isolation of the present invention；
Figure 13 is the assembling circuit theory schematic diagram of the frame structure installation steps 2 of the superstructure vibration isolation of the present invention；
Figure 14 is the lifting floor construction schematic diagram of the frame structure installation steps 3 of the superstructure vibration isolation of the present invention；
Figure 15 is the shock insulation modular construction schematic diagram of frame structure installation steps 4 of the superstructure vibration isolation of the present invention；
Figure 16 is the structural representation for removing temporary cushion block of the frame structure installation steps 5 of the superstructure vibration isolation of the present invention；
Figure 17 is the structural representation of the installation gap-filling glue of the frame structure installation steps 6 of the superstructure vibration isolation of the present invention；
Figure 18 is another embodiment schematic diagram of frame structure of the superstructure vibration isolation of the present invention；
Figure 19 is the top flange top view of frame structure Figure 18 central sills 2 of the superstructure vibration isolation of the present invention；
Figure 20 is the lower flange upward view of frame structure Figure 18 central sills 2 of the superstructure vibration isolation of the present invention.
Label in figure：1st, post；2nd, beam；3rd, floor；4th, vibration isolation component；5th, shear key；6th, gap-filling glue；7th, temporary cushion block；21、
The bolt hole that the top flange of beam 2 is opened up；22nd, the oval elongated hole that the top flange of beam 2 is opened up；41st, the built-in fitting in vibration isolation component 4；42nd, every
The bolt shaken in component 4；43rd, the spring pedestal in vibration isolation component 4；44th, the spring in vibration isolation component 4.
Embodiment
Embodiment 1
The preferred embodiments of the present invention are illustrated below in conjunction with accompanying drawing, it will be appreciated that preferred reality described herein
Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
It is a kind of frame structure of superstructure vibration isolation of the present invention, including the He of post 1 being fixedly connected as shown in Fig. 1~Figure 20
Beam 2, and floor 3, by the frame structure that is interconnected to form of post 1, beam 2 and floor 3, post 1 is rectangular steel pipe, and beam 2 is work
Shaped steel, floor 3 is prefabricated reinforced concrete floor, and vibration isolation component 4 and shear key 5 are provided between beam 2 and floor 3, is led to
The vibrations for setting vibration isolation component 4 and shear key 5 to be effectively reduced frame mechanism are crossed, viscoelastic is provided between floor 3 and post 1
Property material gap-filling glue 6, connect more firm, the vibration isolation component 4 is by four steel tightening latch vertical weldings in one block of steel plate and shape
Into built-in fitting 41, be made up of the spring pedestal 43, bolt 42 and spring 44 of hollow round steel pipe and steel plate vertical welding,
The steel plate end of built-in fitting 41 is embedded into floor 3, four steel tightening latches pass through bolt hole in upper spring pedestal 43 by nut with
Upper spring pedestal 43 is connected, and lower spring base 43 is attached with beam 2 by bolt 42, Stability Analysis of Structures, and anti-seismic performance is good, described
Shear key 5 is the T-shaped weldment of two blocks of steel plates, and level board is embedded into floor 3, and vertical plate insertion beam 2 top flange is opened up in advance
Slotted eye 22 in, reduce influence of the floor to adjacent room and surrounding environment, play the vibration isolating effect of adjacent room.
The spring 44 of the upper vibration isolation component 4, its rigidity is according to equation below value：
In above formula, D is the dead load that floor 3 is born, and L is the live load that floor 3 is born, and ∑ K is the vibration isolation group under floor 3
The rigidity summation of spring 44 of part 4.
Floor 3 is connected with beam 2 by vibration isolation component 4, by the cushioning effect of spring 44, vibration isolation component 4 can be by floor 3
On vertical load effectively pass to beam 2, reduce the forced vibration of floor 3, play the vibration isolating effect between levels.
The upper shear key 5, its area is according to equation below value：
In above formula, V is the story shear that the floor of floor 3 is obtained according to antidetonation or Wind Resistant Calculation, fvFor the shearing resistance of shear key 5
Intensity, ∑ A is the area summation of the shear key 5 of 3 times settings of floor.
The horizontal shear of floor is passed to by beam 2 by shear key 5, the load suffered by floor 3 is reduced, plays phase next door
Between vibration isolating effect.
More specifically, described built-in fitting 41 is formed by four steel tightening latch vertical weldings in one block of steel plate, and structure is steady
Fixed, steel plate end is embedded into floor 3, and four steel tightening latches pass through the bolt hole in upper spring pedestal 43 to pass through nut and spring pedestal
Connection, can effectively play position-limiting action, described spring pedestal 43 is by hollow round steel pipe and steel plate vertical welding to spring 44
Connect and form, offer bolt hole on steel plate, described post 1, the material of beam 2 are steel, and its center pillar 1 is steel pipe or H profile steel, beam 2
Section be i shaped steel, it is more solid, can bear compared with big load, described floor 3 is reinforced concrete prefabricated board, described
Gap-filling glue 6 be viscoelastic material.
A kind of installation method of the frame structure of superstructure vibration isolation, as shown in Figure 12-17, installation steps are as follows when in use：
S1, make structural elements：The top flange of beam 2 has opened up bolt hole 21 and oval elongated hole 22；Built-in fitting 41 is pre-buried
Enter in floor 3；Shear key 5 is embedded into floor 3, is that next step installation frame is ready；
S2, assembling frame structure：Beam 2 is fixedly connected with post 1, and on the upper surface pad of beam 2 with upper and lower spring pedestal 43
Between the contour temporary cushion block 7 of distance, structural elements is assembled；
S3, lifting floor：Shear key 5 is inserted in oval elongated hole 22, and floor 3 is shelved on temporary cushion block 7, temporarily
Cushion block 7 is used to support floor 3；
S4, installation vibration isolation component：Upper spring pedestal 43 is inserted in the tightening latch of built-in fitting 41 and tighten nut；By spring 44
The hollow round steel pipe of spring pedestal 43 in insertion；The hollow round steel pipe of lower spring base 43 is inserted into spring 44, by 42 points of bolt
Bolt hole that Chuan Guo be on the bolt hole 21 and lower spring base 43 of the top flange of beam 2, and nut is tightened, spring 44 is made with damping
With vibration isolation component 4 can effectively pass to the vertical load on floor 3 on beam 2, reduce the forced vibration of floor 3, play levels
Between vibration isolating effect；
S5, temporary cushion block 7 is removed, prevent temporary cushion block 7 slides from causing structure unstable.；
S6, gap-filling glue 6 is installed, gap-filling glue 6 has damping property, it is possible to reduce floor is to adjacent room and surrounding environment
Influence.
The frame structure and its installation method of a kind of superstructure vibration isolation, set between beam 2 and floor 3 vibration isolation component 4 and
Shear key 5 constitutes shock-damping structure, and perpendicular that floor 3 is connected with beam 2 upwardly through vibration isolation component 4, vibration isolation component 4 can be by floor 3
On vertical load effectively pass to beam 2, and spring element therein makes the supporting of floor 3 be changed into sinking support, so as to
Reduce the forced vibration of floor 3, play the vibration isolating effect between levels, in the horizontal direction, by shear key 5 by floor 3
Horizontal shear pass to beam 2, and floor 3 is connected with post 1 by the gap-filling glue 6 with damping property, reduces 3 pairs of phases of floor
With the influence of surrounding environment between next door, the vibration isolating effect of adjacent room is played, a whole set of structure is easily achieved industrialization, effectiveness in vibration suppression
It is good.
Embodiment 2
As shown in Figure 13~Figure 15, compared to embodiment 1, the beam 2 in embodiment 2 uses rectangular steel pipe, therefore vibration isolation group
Bolt 42 in part 4 should sequentially pass through the bolt hole of the lower flange bolt hole of beam 2, the top flange bolt hole of beam 2 and spring pedestal 43,
And tighten nut and be attached；Remaining be the same as Example 1.
The foregoing is intended to be a preferred embodiment of the present invention.Certainly, the present invention can also have other a variety of implementations
Example, in the case of without departing substantially from spirit of the invention and its essence, any one skilled in the art, when can be according to this
Various corresponding equivalent changes and deformation are made in invention, should all belong to the protection domain of appended claims of the invention.
Claims (7)
1. a kind of frame structure of superstructure vibration isolation, including the post (1) and beam (2) being fixedly connected, and floor (3), its feature exist
In：Vibration isolation component (4) and shear key (5) are provided between the beam (2) and floor (3), is set between floor (3) and post (1)
Gap-filling glue (6) is equipped with, the vibration isolation component (4) is by built-in fitting (41), spring pedestal (43), bolt (42) and spring (44) group
Into, the built-in fitting (41) is embedded into floor (3), and is attached with upper spring pedestal (43), lower spring base (43) with
Beam (2) is attached, and the shear key (5) is the T-shaped weldment of two blocks of steel plates, and level board is embedded into floor (3), vertical plate
In the slotted eye (22) that insertion beam (2) top flange is opened up in advance.
2. a kind of frame structure of superstructure vibration isolation according to claim 1, it is characterised in that：Described built-in fitting (41) by
Four steel tightening latch vertical weldings are formed in one block of steel plate, and steel plate end is embedded into floor (3), and four steel tightening latches pass through upper spring
Bolt hole in base (43) is connected by nut with spring pedestal (43).
3. a kind of frame structure of superstructure vibration isolation according to claim 1, it is characterised in that：Described spring pedestal (43)
Formed by hollow round steel pipe with steel plate vertical welding, bolt hole is offered on steel plate.
4. a kind of frame structure of superstructure vibration isolation according to claim 1, it is characterised in that：The post (1), beam (2)
Material is steel, and its center pillar (1) is steel pipe or H profile steel, and the section of beam (2) is i shaped steel.
5. a kind of frame structure of superstructure vibration isolation according to claim 1, it is characterised in that：The floor (3) is reinforcing bar
Concrete prefabricated board.
6. a kind of frame structure of superstructure vibration isolation according to claim 1, it is characterised in that：The gap-filling glue (6) is viscous
Elastomeric material.
7. a kind of installation method of the frame structure of superstructure vibration isolation, it is characterised in that：Comprise the following steps,
S1, make structural elements：Beam (2) top flange has opened up bolt hole (21) and oval elongated hole (22)；By built-in fitting (41)
It is embedded into floor (3)；Shear key (5) is embedded into floor (3), is that next step installation frame is ready；
S2, assembling frame structure：Beam (2) is fixedly connected with post (1), and on the pad of beam (2) upper surface with upper and lower spring pedestal
(43) the contour temporary cushion block of distance (7), structural elements is assembled between；
S3, lifting floor：Shear key (5) is inserted in oval elongated hole (22), and floor (3) is shelved on temporary cushion block (7),
Temporary cushion block (7) is used to support floor (3)；
S4, installation vibration isolation component：Upper spring pedestal (43) is inserted in the tightening latch of built-in fitting (41) and tighten nut；By spring
(44) in insertion spring pedestal (43) hollow round steel pipe；By the hollow round steel pipe insertion spring (44) of lower spring base (43),
Bolt (42) is each passed through to the bolt hole on the bolt hole (21) and lower spring base (43) of beam (2) top flange, and tightens spiral shell
It is female；
S5, remove temporary cushion block (7)；
S6, installation gap-filling glue (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710167933.3A CN107217739B (en) | 2017-03-21 | 2017-03-21 | Frame structure for floor vibration isolation and mounting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710167933.3A CN107217739B (en) | 2017-03-21 | 2017-03-21 | Frame structure for floor vibration isolation and mounting method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN107217739A true CN107217739A (en) | 2017-09-29 |
| CN107217739B CN107217739B (en) | 2022-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710167933.3A Active CN107217739B (en) | 2017-03-21 | 2017-03-21 | Frame structure for floor vibration isolation and mounting method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487459A (en) * | 2018-03-09 | 2018-09-04 | 中国建筑股份有限公司 | A kind of not damaged adjustable rigidity precast frame column foot connecting structure and its construction method |
| CN109594792A (en) * | 2019-01-02 | 2019-04-09 | 兰州理工大学 | A kind of displacement-adjustable attachment device and construction method reducing vibration of floor |
| CN110295684A (en) * | 2019-03-22 | 2019-10-01 | 福建金启点实业有限公司 | A kind of steel construction office building that damping effect is good |
| CN111305441A (en) * | 2020-02-28 | 2020-06-19 | 青岛理工大学 | Energy-dissipating vibration-reducing hollow composite floor system |
| CN113565360A (en) * | 2021-08-02 | 2021-10-29 | 重庆大学 | Self-resetting concrete column with variable cross-section shear keys and additional replaceable damper |
| CN114411974A (en) * | 2022-03-02 | 2022-04-29 | 中国建筑第八工程局有限公司 | Building shock insulation support connecting node and construction method thereof |
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